Declension table of ?dhṛṣṇaj

Masculine	Singular	Dual	Plural
Nominative	dhṛṣṇak	dhṛṣṇajau	dhṛṣṇajaḥ
Vocative	dhṛṣṇak	dhṛṣṇajau	dhṛṣṇajaḥ
Accusative	dhṛṣṇajam	dhṛṣṇajau	dhṛṣṇajaḥ
Instrumental	dhṛṣṇajā	dhṛṣṇagbhyām	dhṛṣṇagbhiḥ
Dative	dhṛṣṇaje	dhṛṣṇagbhyām	dhṛṣṇagbhyaḥ
Ablative	dhṛṣṇajaḥ	dhṛṣṇagbhyām	dhṛṣṇagbhyaḥ
Genitive	dhṛṣṇajaḥ	dhṛṣṇajoḥ	dhṛṣṇajām
Locative	dhṛṣṇaji	dhṛṣṇajoḥ	dhṛṣṇakṣu

Compound dhṛṣṇak -

Adverb -dhṛṣṇak